the branch of optics dealing with light as rays, especially in the study of the effects of lenses and mirrors on light beams and of their combination in optical instruments.
noun 1. a pace of 5 feet (1.5 meters), representing the distance between the places at which the same foot rests on the ground in walking.
- Geometric distribution
noun 1. (statistics) the distribution of the number, x, of independent trials required to obtain a first success: where the probability in each is p, the probability that x = r is p(1-p)r–1, where r = 1, 2, 3, …, with mean 1/p See also Bernoulli trial
[jee-om-i-trish-uh n, jee-uh-mi-] /dʒiˌɒm ɪˈtrɪʃ ən, ˌdʒi ə mɪ-/ noun 1. a person skilled in .
noun, Chemistry. 1. each of two or more chemical compounds having the same molecular formula but a different geometric arrangement; an unsaturated compound or ring compound in which rotation around a carbon bond is restricted, as in cis- and trans- configurations. geometric isomer (jē’ə-mět’rĭk) Any of two or more stereoisomers that differ in the arrangement […]